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Battery pack parallel connection apparatus and control method thereof

A control method and battery pack technology, which are applied in battery circuit devices, terminal battery switching devices, circuit devices, etc., can solve the problems of reducing the effective volume of batteries arranged in battery packs, reducing the service life of switches, increasing costs, etc., and achieving simple structure , achieve low cost and easy to achieve effects

Active Publication Date: 2018-09-28
氢驰动力科技山西有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the DCDC method increases the cost and reduces the effective volume of the batteries arranged in the battery pack; the direct parallel connection scheme will reduce the service life of the switch

Method used

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  • Battery pack parallel connection apparatus and control method thereof
  • Battery pack parallel connection apparatus and control method thereof
  • Battery pack parallel connection apparatus and control method thereof

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Embodiment Construction

[0032] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0033] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The invention provides a battery pack parallel connection apparatus and a control method thereof. A first switch is connected with a resistor, the other end of the resistor is connected with one end of a quick charging positive switch, and the other end of the quick charging positive switch is used as the positive output end of a first battery pack quick charging connecting-inserting part; a mainpositive switch is connected with the first switch and the two ends of the resistor in parallel; a second switch is connected with the and resistor the two ends of the quick charging positive switch in parallel; a main negative switch is connected with a quick charging negative switch; the other end of the quick charging negative switch is used as the negative output end of the first battery packquick charging connecting-inserting part; one end of a third switch is used as the positive output end of a second battery pack quick charging connecting-inserting part; one end of a fourth switch isused as the negative output end of the second battery pack quick charging connecting-inserting part; and the positive and negative output ends of the first battery pack quick charging connecting-inserting part are connected with the positive and negative output ends of the second battery pack quick charging connecting-inserting part respectively. By virtue of the battery pack parallel connection apparatus and the control method thereof disclosed in the invention, parallel connection of battery packs is realized on the basis of not changing the original topological structure of an electric vehicle.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, in particular to a battery pack parallel connection device and a control method thereof. Background technique [0002] An electric vehicle refers to a vehicle powered by a vehicle-mounted power supply, driven by a motor to drive the wheels, and conforming to the requirements of road traffic and safety regulations. Due to its smaller impact on the environment than traditional cars, its prospects are widely optimistic. Affected by traditional car driving habits, the requirement for long driving range of electric vehicles has gradually become a mainstream trend. For example, the Tesla Model-S long driving range version has a maximum pure electric driving range of nearly 500 kilometers. 400km electric car. [0003] Electric vehicles provide kinetic energy through the battery pack (Battery Pack) configured on it. At present, electric vehicles have two conflicting problems of range anxie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/36B60L11/18
CPCH02J7/0063H02J7/36B60L50/66B60L58/19Y02T10/70
Inventor 谷峰
Owner 氢驰动力科技山西有限公司
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